[DRAFT] Create RenderFrameHostManager.

content/browser/frame_host/interstitial_page_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/interstitial_page_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 219 matching lines @@
     entry->set_page_type(PAGE_TYPE_INTERSTITIAL);
 
     // Give delegates a chance to set some states on the navigation entry.
     delegate_->OverrideEntry(entry);
 
     controller_->SetTransientEntry(entry);
   }
 
   DCHECK(!render_view_host_);
   render_view_host_ = static_cast<RenderViewHostImpl*>(CreateRenderViewHost());
-  render_view_host_->AttachToFrameTree();
   CreateWebContentsView();
 
   std::string data_url = "data:text/html;charset=utf-8," +
                          net::EscapePath(delegate_->GetHTMLContents());
   render_view_host_->NavigateToURL(GURL(data_url));
 
   notification_registrar_.Add(this, NOTIFICATION_NAV_ENTRY_PENDING,
       Source<NavigationController>(controller_));
   notification_registrar_.Add(
       this, NOTIFICATION_DOM_OPERATION_RESPONSE,
@@ skipping 33 matching lines @@
   }
 
   // Shutdown the RVH asynchronously, as we may have been called from a RVH
   // delegate method, and we can't delete the RVH out from under itself.
   base::MessageLoop::current()->PostNonNestableTask(
       FROM_HERE,
       base::Bind(&InterstitialPageImpl::Shutdown,
                  weak_ptr_factory_.GetWeakPtr(),
                  render_view_host_));
   render_view_host_ = NULL;
-  frame_tree_.SwapMainFrame(NULL);
+  //frame_tree_.SwapMainFrame(NULL);
   controller_->delegate()->DetachInterstitialPage();
   // Let's revert to the original title if necessary.
   NavigationEntry* entry = controller_->GetVisibleEntry();
   if (!new_navigation_ && should_revert_web_contents_title_) {
     entry->SetTitle(original_web_contents_title_);
     controller_->delegate()->NotifyNavigationStateChanged(
         INVALIDATE_TYPE_TITLE);
   }
 
   InterstitialPageMap::iterator iter =
@@ skipping 537 matching lines @@
 
   web_contents->GetDelegateView()->TakeFocus(reverse);
 }
 
 void InterstitialPageImpl::InterstitialPageRVHDelegateView::OnFindReply(
     int request_id, int number_of_matches, const gfx::Rect& selection_rect,
     int active_match_ordinal, bool final_update) {
 }
 
 }  // namespace content